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Change firmware from U3S to VFO/SigGen?
This is getting close to something I have been thinking about for several months. Occasionally we hear on the QRPLabs and HFSignals discussion groups where someone mentions that they own several Ardui
This is getting close to something I have been thinking about for several months. Occasionally we hear on the QRPLabs and HFSignals discussion groups where someone mentions that they own several Ardui
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· #63536
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Setting time on QCX - wspr mode
Geoff I was proposing something a little different. In QCX products frequency is controlled by the SI5371a. The 1-PPS is used for frequency or rate of digital mode timing. Maybe I misstated what I mea
Geoff I was proposing something a little different. In QCX products frequency is controlled by the SI5371a. The 1-PPS is used for frequency or rate of digital mode timing. Maybe I misstated what I mea
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· #63503
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Setting time on QCX - wspr mode
If there was an alternative to generating one-PPS from GPS, and if you could use CAT to send time and date and fixed location to your QCX...would there be any need for a GPS. Frequency stability could
If there was an alternative to generating one-PPS from GPS, and if you could use CAT to send time and date and fixed location to your QCX...would there be any need for a GPS. Frequency stability could
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· #63501
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LCD Failure Symptoms
Since Hans` code is proprietary intellectual property, one has to wonder why people would be trying to duplicate his code into multiple 328 microcontrollers? There are situations where someone has acc
Since Hans` code is proprietary intellectual property, one has to wonder why people would be trying to duplicate his code into multiple 328 microcontrollers? There are situations where someone has acc
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· #63031
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Top row boxes, bottom row blank. Previously working
#display
If the LCD is not being initialized, you cannot get to the gibberish mode. Arv _._
If the LCD is not being initialized, you cannot get to the gibberish mode. Arv _._
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· #62966
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QCX-mini batch #2 shipping update
Hans Don't forget to re-introduce yourself to the wife and kids when this backlog thing has been tamed. 8-) Arv _._
Hans Don't forget to re-introduce yourself to the wife and kids when this backlog thing has been tamed. 8-) Arv _._
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· #62878
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Mini 40 Display Issue Restart
Gary That is strange, because having only a top row of blank characters is usually indicative of the microprocessor not being able to initialize the LCD display. Arv _._
Gary That is strange, because having only a top row of blank characters is usually indicative of the microprocessor not being able to initialize the LCD display. Arv _._
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· #62569
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N1MM+ CAT control with QCX+
Ken Hans is very, very busy right now. Quick guess answer...software parsing of input commands can be easy or very difficult, depending on whether one wants to use simple commands or wants to separate
Ken Hans is very, very busy right now. Quick guess answer...software parsing of input commands can be easy or very difficult, depending on whether one wants to use simple commands or wants to separate
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· #62564
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It's been a year....AND???? Shall we go elsewhere?
Larry even bled over to the BITX20 site. Interesting... 8-) _._
Larry even bled over to the BITX20 site. Interesting... 8-) _._
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· #62318
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Smokey
Hans, and others... Over the past 65 years I have observed, and even used, a number of TRS (Tip-Ring-Sleeve) disasters and successes. More recently we have 4-contact TRS type connectors, but the probl
Hans, and others... Over the past 65 years I have observed, and even used, a number of TRS (Tip-Ring-Sleeve) disasters and successes. More recently we have 4-contact TRS type connectors, but the probl
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· #61987
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QCX-mini batch 2 update
Hans Are you using your CNC Mill system to make precise contact with the pogo contacts? Arv _._
Hans Are you using your CNC Mill system to make precise contact with the pogo contacts? Arv _._
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· #61902
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QCX-mini batch 2 update
Hans Pogo boards are interesting (from previous experience). Such a test jig does offer some interesting opportunities: Printed documentation with individual PCB serial numbers. Individual board test
Hans Pogo boards are interesting (from previous experience). Such a test jig does offer some interesting opportunities: Printed documentation with individual PCB serial numbers. Individual board test
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· #61901
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QCX+ no reception
#40m
Lots of receivers: http://www.websdr.org/ https://www.globaltuners.com/ _._
Lots of receivers: http://www.websdr.org/ https://www.globaltuners.com/ _._
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· #61899
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A word of advice
Brian Newbies and some of us memory deficient old timers are why this discussion and support group exists. Some of us are here to ask questions, and others are here to help with answers. And some seem
Brian Newbies and some of us memory deficient old timers are why this discussion and support group exists. Some of us are here to ask questions, and others are here to help with answers. And some seem
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· #61712
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A word of advice
Mike Suspicions confirmed. Even in just breaking the penknife I managed to make a small cut in my thumb! 8-( Arv _._
Mike Suspicions confirmed. Even in just breaking the penknife I managed to make a small cut in my thumb! 8-( Arv _._
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· #61630
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A word of advice
Okay. As of a couple of minutes ago I have now added a "broken penknife" to my electronics toolbox. Now how do I use it? _._
Okay. As of a couple of minutes ago I have now added a "broken penknife" to my electronics toolbox. Now how do I use it? _._
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· #61627
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QCX mini died
Maybe wrong but it seems that the problem may not be inrush current. If he is using a 4-cell LIPO battery pack the problem may that 16 volts is too high for the equipment he is powering with it. A 4-c
Maybe wrong but it seems that the problem may not be inrush current. If he is using a 4-cell LIPO battery pack the problem may that 16 volts is too high for the equipment he is powering with it. A 4-c
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· #61626
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QCX Mini intermittent BUZZ
#40m
#video
Shivering? 8-) _._
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· #61622
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A word of advice
There are kits, and there are kits. Some would have you solder all the parts to a bare PCB, and others have all the parts already soldered to the PCB. If your kit has all the parts pre-soldered to the
There are kits, and there are kits. Some would have you solder all the parts to a bare PCB, and others have all the parts already soldered to the PCB. If your kit has all the parts pre-soldered to the
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· #61621
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UK VAT - no VAT or import duty on small imports up to 135 pounds
Not a new situation: https://en.wikipedia.org/wiki/Boston_Tea_Party _._
Not a new situation: https://en.wikipedia.org/wiki/Boston_Tea_Party _._
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· #61489
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